for instance, with the nurses, althea dix, but the answer is florence nightingale's book on nursing was throughout america. women knew about it. and dix, who started a nursing corps during the time of the civil war for the army, she read florence nightingale. the women knew about florence nightingale. so the effect was there and she was important. and it probably grew more and more as nursing grew larger. sir? >> question in the same vain, what if any influence did samuel weis' teaching have on lettermen and other members of the sanitary commission to your knowledge? >> that's an interesting question. i don't have an answer because i'm not sure that any of them knew about samuel weis, it was later than that. the type of research that he was doing which was ongoing in the '60s, they did not know anything about. so it had minimal impact and virtually none. >> to dr. mitchell's quote -- >> yes. >> wasn't there a statue of samuel gross who wrote the field manual created in washington, and wasn't he the fellow who at the philadelphia centennial in 1876, didn't he list it that there was no va